DEVICE AND METHOD FOR LIMITING TUNNEL TRAFFIC IN A COMMUNICATIONS NETWORK - Patent 1358738

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EP 1 358 738 A2

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(88)	Date of publication A3:
	21.08.2003

(43)	Date of publication:
	05.11.2003 Bulletin 2003/45

(21)	Application number: 01992474.5

(22)	Date of filing: 19.11.2001

(51)	International Patent Classification (IPC)⁷: H04L 12/46, H04L 12/56

(86)	International application number:
	PCT/US0151/323

(87)	International publication number:
	WO 0204/3323 (30.05.2002 Gazette 2002/22)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

22.11.2000 US 721488

(71)	Applicant: Nortel Networks Limited
	St. Laurent,Quebec H4S 2A9 (CA)

(72)	Inventors:
	HASS, Barry, L. Auburndale, MA 02466 (US) FEDYK, Donald Groton, MA 01450 (US)

(74)	Representative: Bewley, Ewan Stuart
	154 Chobham Road Stratford,London E15 1LZ Stratford,London E15 1LZ (GB)

(54)	DEVICE AND METHOD FOR LIMITING TUNNEL TRAFFIC IN A COMMUNICATIONS NETWORK